The Flash (2014)
1 question in season 3
Starring: Danielle Panabaker, Tom Cavanagh, Candice Patton, Grant Gustin, Rick Cosnett
Going Rogue - S1-E4
Continuity mistake: When Captain Cold shots Joe with the ice gun, he hits Flash instead, in the left side of his abs, but in the next shot the ice switches sides.
Tricksters - S1-E17
James Jesse: You know, when I was free and at my height, a day without casualties was like... Well, like the Cubs winning the pennant. It just never happened.
Going Rogue - S1-E4
Trivia: Kahndaq is mentioned heavily in this episode. Kahndaq is a fictional country, home to DC anti-hero, Black Adam.
Answer: Barry didn't create another alternate timeline, he just restored his original one, however Jay intercepts him when he (Barry) tries to fix it again. He explains that no matter what he does, the timeline will not be exactly the same. Small "time fractures" will still remain. Barry will not forget because he is in his original timeline.